public async Task <bool> SendEmailAsync([FromBody] EmailService.EmailMessage emailMessage)
{
try
{
#region config
var emailConfig = new EmailService.EmailConfiguration
{
SmtpServer = _configuration.GetValue <string>("EmailConfiguration:SmtpServer"),
SmtpPort = Convert.ToInt32(_configuration.GetValue <string>("EmailConfiguration:SmtpPort")),
SmtpUsername = _configuration.GetValue <string>("EmailConfiguration:SmtpUsername"),
SmtpPassword = _configuration.GetValue <string>("EmailConfiguration:SmtpPassword")
};
var emailAddr = new EmailService.EmailAddress
{
Address = "*****@*****.**",
Name = "PromotionsSG"
};
emailMessage.FromAddresses = new List <EmailService.EmailAddress> {
emailAddr
};
#endregion
#region send
var message = new MimeMessage();
message.To.AddRange(emailMessage.ToAddresses.Select(x => new MailboxAddress(x.Name, x.Address)));
message.From.AddRange(emailMessage.FromAddresses.Select(x => new MailboxAddress(x.Name, x.Address)));
message.Subject = emailMessage.Subject;
message.Body = new TextPart(TextFormat.Html)
{
Text = emailMessage.Content
};
using (var emailClient = new SmtpClient())
{
await emailClient.ConnectAsync(emailConfig.SmtpServer, emailConfig.SmtpPort);
emailClient.AuthenticationMechanisms.Remove("XOAUTH2");
await emailClient.AuthenticateAsync(emailConfig.SmtpUsername, emailConfig.SmtpPassword);
await emailClient.SendAsync(message);
await emailClient.DisconnectAsync(true);
}
#endregion
return(true);
}
catch
{
return(false);
}
}
public async Task <bool> PublishEmailAsync()
{
_logger.LogInformation("email Repo before retrieve promo");
var promotionList = await _repository.RetrieveTopFiveNewestPromotions();
_logger.LogInformation("email Repo after retrieve promo");
/*aws sns */
var sns = new AmazonSimpleNotificationServiceClient();
var listTopicsRequest = new ListTopicsRequest();
ListTopicsResponse listTopicsResponse;
_logger.LogInformation("sns before retrieve topic");
listTopicsResponse = await sns.ListTopicsAsync(listTopicsRequest);
_logger.LogInformation("sns after retrieve topic");
var selectedTopic = listTopicsResponse.Topics.FirstOrDefault();
_logger.LogInformation("sns before retrieve subscriber");
var subscriptionList = (await sns.ListSubscriptionsByTopicAsync(selectedTopic.TopicArn)).Subscriptions.Select(x => x.Endpoint).ToList();
_logger.LogInformation("sns after retrieve subscriber");
#region config
var emailConfig = new EmailService.EmailConfiguration
{
SmtpServer = _configuration.GetValue <string>("EmailConfiguration:SmtpServer"),
SmtpPort = Convert.ToInt32(_configuration.GetValue <string>("EmailConfiguration:SmtpPort")),
SmtpUsername = _configuration.GetValue <string>("EmailConfiguration:SmtpUsername"),
SmtpPassword = _configuration.GetValue <string>("EmailConfiguration:SmtpPassword")
};
var messageContent = new EmailService.EmailMessage().Content;
int count = 1;
messageContent = "Newest promotions happening right now in SG<div>";
foreach (var promotion in promotionList)
{
messageContent += "<h2>#" + count + " </h2>" +
"<br /><b>Promotion Title:</b>" + promotion.Header +
"<br /><b>Promotion Description:</b>" + promotion.Description +
"<br /><b>Promotion Start Date:</b>" + promotion.StartDate.ToString("yyyy - MM - dd") +
"<br /><b>Promotion End Date:</b>" + promotion.EndDate.ToString("yyyy - MM - dd");
count++;
}
messageContent += "</div>";
var emailMessage = new EmailService.EmailMessage
{
FromAddresses = new List <EmailService.EmailAddress>(),
ToAddresses = new List <EmailService.EmailAddress>(),
Content = messageContent,
Subject = "PromotionsSG You Should Not Miss"
};
var emailAddrFrom = new EmailService.EmailAddress
{
Address = "*****@*****.**",
Name = "PromotionsSG"
};
var emailAddrToList = new List <EmailService.EmailAddress>();
foreach (var subscriptionEmail in subscriptionList)
{
emailAddrToList.Add(new EmailService.EmailAddress {
Address = subscriptionEmail
});
}
emailMessage.FromAddresses = new List <EmailService.EmailAddress> {
emailAddrFrom
};
emailMessage.ToAddresses = emailAddrToList;
#endregion
#region send
var message = new MimeMessage();
message.To.AddRange(emailMessage.ToAddresses.Select(x => new MailboxAddress(x.Name, x.Address)));
message.From.AddRange(emailMessage.FromAddresses.Select(x => new MailboxAddress(x.Name, x.Address)));
message.Subject = emailMessage.Subject;
message.Body = new TextPart(TextFormat.Html)
{
Text = emailMessage.Content
};
_logger.LogInformation("before email stmp send");
using (var emailClient = new SmtpClient())
{
await emailClient.ConnectAsync(emailConfig.SmtpServer, emailConfig.SmtpPort);
emailClient.AuthenticationMechanisms.Remove("XOAUTH2");
await emailClient.AuthenticateAsync(emailConfig.SmtpUsername, emailConfig.SmtpPassword);
await emailClient.SendAsync(message);
await emailClient.DisconnectAsync(true);
}
_logger.LogInformation("after email stmp send");
#endregion
return(true);
}
